package com.example.day0701;

/**
 * @author Lenovo
 */
public class StudentDemo {
    public static void main(String[] args) {
        Student s = new Student();
        System.out.println(s.name+","+s.age);
        s.name = "张三";
        s.age = 18;
        System.out.println(s.name+","+s.age);

        s.study();
        s.doHomework();

    }

}
